*Excludes Observations that spanned multiple years

  B
b
t
W
w
 
Pre 19700060713
1970001012
1971001023
1972001001
1973000022
1974062019
1975000011
1976021014
19770370010
1978024028
197902110215
1980004037
19810140510
19820060410
19830350311
19840060410
19851240714
19861470618
19872470417
19882280517
198927120728
199017190532
1991610351355
199206190530
1993711370560
1994424360771
199576460968
1996614280553
1997418500981
19984124501172
1999063501051
200026400957
200105390852
200201500859
200325570468
200407400754
200505880699
200627770995
200786720995
20083329315134
20093417209188
20102028707296
201135387013408
201274535027573
201310360017378
201441250115271
201543288024319
201622389031424
2017439532032607
201893571034617
201963568026603
202041674039718
202112580128612
202222538134577
2023008008
2024002013
Total146265714455388098