1 wks
1 union
1 lwage
2 wks
2 union
2 lwage
3 wks
3 union
3 lwage
4 wks
4 union
4 lwage
5 wks
5 union
5 lwage
6 wks
6 union
6 lwage
7 wks
7 union
7 lwage
esample() from estimates store