Step 1: The variable pli0007_h is replaced by the variable pli0007_v1 for the years 1984 to 1990.
Step 2: The variable pli0007_h is replaced by the variable pli0007_v5 for the years 1992 and 1993 and 1995 and 1997 and 1999 and 2001 and 2003 and 2005 and 2007 and 2009 and 2011 to 2013 and 2015 and 2017 and 2019 and 2021.
Step 3: The variable pli0007_h is replaced with pli0007_v2 for the year 1990 if pli0007_v2 is greater than 0 and pli0007_v3 is less than 0 and pli0007_v2 is less than 0 and pli0007_v4 is less than 0.
Step 4: The variable pli0007_h is replaced with pli0007_v3 for the year 1990 if pli0007_v3 is greater than 0 and pli0007_v3 is less than 0 and pli0007_v2 is less than 0 and pli0007_v4 is less than 0.
Step 5: The variable pli0007_h is replaced with pli0007_v4 for the year 1990 if pli0007_v4 is greater than 0 and pli0007_v3 is less than 0 and pli0007_v2 is less than 0 and pli0007_v4 is less than 0.
Step 6: The variables pli0007_v2 and pli0007_v4 are added and then divided by 2 in order to create a mean and subsequently integrated into the harmonized variable pli0007_h for the year 1990 if pli0007_v2 is greater than 0 and pli0007_v4 is greater than 0 and pli0007_v3 is less than 0.
Step 7: The variables pli0007_v2 and pli0007_v3 are added and then divided by 2 in order to create a mean and subsequently integrated into the harmonized variable pli0007_h for the year 1990 if pli0007_v2 is greater than 0 and pli0007_v3 is greater than 0 and pli0007_v4 is less than 0.
Step 8: The variables pli0007_v3 and pli0007_v4 are added and then divided by 2 in order to create a mean and subsequently integrated into the harmonized variable pli0007_h for the year 1990 if pli0007_v3 is greater than 0 and pli0007_v4 is greater than 0 and pli0007_v2 is less than 0.
Step 9: The variables pli0007_v2 and pli0007_v3 and pli0007_v4 are added and then divided by 3 in order to create a mean and subsequently integrated into the harmonized variable pli0007_h for the year 1990 if pli0007_v2 is greater than 0 and pli0007_v3 is greater than 0 and pli0007_v4 is greater than 0.
Step 10: The variable pli0007_h is replaced with round(pli0007_h, 0.1) for the years 1984 to 1990 and 1992 and 1993 and 1995 and 1997 and 1999 and 2001 and 2003 and 2005 and 2007 and 2009 and 2011 to 2013 and 2015 and 2017 and 2019 and 2021 if pli0007_v2 is greater than 0 and pli0007_v3 is greater than 0 and pli0007_v4 is greater than 0.
Step 1: The variable pli0007_h is replaced by the variable pli0007_v1 for the years 1984 to 1990.
Step 2: The variable pli0007_h is replaced by the variable pli0007_v5 for the years 1992 and 1993 and 1995 and 1997 and 1999 and 2001 and 2003 and 2005 and 2007 and 2009 and 2011 to 2013 and 2015 and 2017 and 2019 and 2021.
Step 3: The variable pli0007_h is replaced with pli0007_v2 for the year 1990 if pli0007_v2 is greater than 0 and pli0007_v3 is less than 0 and pli0007_v2 is less than 0 and pli0007_v4 is less than 0.
Step 4: The variable pli0007_h is replaced with pli0007_v3 for the year 1990 if pli0007_v3 is greater than 0 and pli0007_v3 is less than 0 and pli0007_v2 is less than 0 and pli0007_v4 is less than 0.
Step 5: The variable pli0007_h is replaced with pli0007_v4 for the year 1990 if pli0007_v4 is greater than 0 and pli0007_v3 is less than 0 and pli0007_v2 is less than 0 and pli0007_v4 is less than 0.
Step 6: The variables pli0007_v2 and pli0007_v4 are added and then divided by 2 in order to create a mean and subsequently integrated into the harmonized variable pli0007_h for the year 1990 if pli0007_v2 is greater than 0 and pli0007_v4 is greater than 0 and pli0007_v3 is less than 0.
Step 7: The variables pli0007_v2 and pli0007_v3 are added and then divided by 2 in order to create a mean and subsequently integrated into the harmonized variable pli0007_h for the year 1990 if pli0007_v2 is greater than 0 and pli0007_v3 is greater than 0 and pli0007_v4 is less than 0.
Step 8: The variables pli0007_v3 and pli0007_v4 are added and then divided by 2 in order to create a mean and subsequently integrated into the harmonized variable pli0007_h for the year 1990 if pli0007_v3 is greater than 0 and pli0007_v4 is greater than 0 and pli0007_v2 is less than 0.
Step 9: The variables pli0007_v2 and pli0007_v3 and pli0007_v4 are added and then divided by 3 in order to create a mean and subsequently integrated into the harmonized variable pli0007_h for the year 1990 if pli0007_v2 is greater than 0 and pli0007_v3 is greater than 0 and pli0007_v4 is greater than 0.
Step 10: The variable pli0007_h is replaced with round(pli0007_h, 0.1) for the years 1984 to 1990 and 1992 and 1993 and 1995 and 1997 and 1999 and 2001 and 2003 and 2005 and 2007 and 2009 and 2011 to 2013 and 2015 and 2017 and 2019 and 2021 if pli0007_v2 is greater than 0 and pli0007_v3 is greater than 0 and pli0007_v4 is greater than 0.