*Excludes Observations that spanned multiple years

  B
b
t
W
w
 
Pre 1970101001627
1970001023
1971002046
1972000022
1973001034
19740840214
19750730515
19760340512
197706100218
19780350513
197922130421
198000120719
198102150421
198221160524
198301130317
198400130518
19851680722
198613170627
198724161730
1988441701035
1989310120934
1990317300757
1991911430467
1992010490362
1993119700898
1994192983017148
1995815640895
19961323410481
199723074016122
199832767010107
19990135411482
20001115101578
2001496801495
200223820996
2003359508111
200411587011114
2005310133015161
200646135015160
200723126014145
20080214909160
200973260017287
201025283012302
201107334019360
2012412412039467
201348520023555
201446430032472
201595540038592
201636674051734
20171149420431000
20188119990411059
2019759941371044
202091012030501272
202110810711511141
2022499780531044
202300120012
20240080412
Total18640711353482412774