*Excludes Observations that spanned multiple years

  B
b
t
W
w
 
Pre 197040130138155
1970001045
197100201012
1972002079
19730020810
19740780722
19751980927
197604601323
1977162001643
1978051201532
1979342701650
1980012101840
1981213002154
1982302902860
1983141702042
1984101602239
1985261201939
1986532602155
1987683623082
1988452502761
19898152612474
1990152549123113
1991372587220171
19921411111023159
19933226202133294
19943262182040316
19952723139130220
19962557107025214
19971862202039321
19981366167034280
1999437123125190
20002036145042243
20011214213043282
2002310273023309
20031610274132333
2004825253034320
20051914345040418
20061818403037476
20071715321540398
200810154621138536
20092512691066794
20102721794073915
2011172311050961241
20124152149152041793
20134189159612001927
20144546140322561752
20155827184033682296
20166722222014502760
20178342290344583490
20187044302325333672
2019110443255104013820
20205130369735594340
20214435359715464223
20223628311414893668
202313680476
2024011302034
Total109711483520759581743328