*Excludes Observations that spanned multiple years

  B
b
t
W
w
 
Pre 1970017019
1970000000
1971020002
1972000000
1973002002
1974001001
19750730010
1976013004
1977107008
1978001001
1979033006
1980031004
1981001001
1982008008
1983005005
1984002002
1985131005
1986027009
19870740011
19880870015
198906120018
199022490035
1991713200040
1992214100026
1993365190087
199431822500210
199531021200117
1996101271200149
199774911800516
199825092900540
199922801400296
200024573200491
200114091900429
200203745301428
200344204900473
200415593200592
200504469300539
200624586100521
200704607900539
2008020612000326
2009013113200263
2010124617600423
2011031524400559
2012067319700870
2013355318400740
2014054510600651
2015171719400912
2016170523900945
20174972311001287
20182889352011244
20193916361011281
20202915523001440
20211977454001432
202261067286001359
202304230027
2024000000
Total771526445630419908