*Excludes Observations that spanned multiple years

  B
b
t
W
w
 
Pre 19700030912
1970000011
1971000000
1972000000
1973000000
1974002002
1975001012
1976000011
1977003014
1978000000
1979002013
1980001023
1981000011
1982101013
1983202015
198460270033
19853140715
1986003014
1987003014
1988103026
1989002035
19903280215
199112130117
199200160218
199360220331
1994922201750
1995522801853
1996802302051
1997911901342
19981103501864
1999713202262
200040650776
2001603002258
2002713202666
2003902902967
200471280743
2005302802758
2006003302356
2007304301460
200800580967
2009006401680
2010117901495
20112195015113
201233129028163
201347175128215
201442138032176
2015123199045259
2016121234048295
201786402181498
201895540090644
2019218467171568
2020221547295667
2021272495097621
2022232424182532
2023703601255
2024000011
Total266554645610686040