Attention
You are using Internet Explorer. Content will likely not be displayed correctly. Please switch to a different Browser to use this site.
gap between observed entry and source of year
[item_6685]
| Label | Variable |
|---|
| Label | Instrument |
|---|
You are using Internet Explorer. Content will likely not be displayed correctly. Please switch to a different Browser to use this site.
[item_6685]
| Label | Variable |
|---|
| Label | Instrument |
|---|