Year	Number of Permits
1974-01-01	43755.4175772146
1975-01-01	40989.7543751065
1976-01-01	38806.2505213486
1977-01-01	37637.5197527117
1978-01-01	34912.2726213196
1979-01-01	34125.5196698921
1980-01-01	31759.2736023493
1981-01-01	31724.9499258612
1982-01-01	27127.4565895724
1983-01-01	26371.4661378451
1984-01-01	22387.4348942278
1985-01-01	27262.5153084609
1986-01-01	25502.0010971584
1987-01-01	25517.8006466083
1988-01-01	26935.8160127165
1989-01-01	27494.4110046840
1990-01-01	25497.9281878713
1991-01-01	25199.6946775714
1992-01-01	23092.2182702603
1993-01-01	21656.3478858840
1994-01-01	25854.1477202902
1995-01-01	24650.7546517823
1996-01-01	23373.5993330834
1997-01-01	23103.6451709356
1998-01-01	24425.7087325072
1999-01-01	27266.9075906502
2000-01-01	28177.1633759386
2001-01-01	28118.3390011776
2002-01-01	28518.0425756867
2003-01-01	30291.9219351517
2004-01-01	34397.3859460703
2005-01-01	38720.8852005530
2006-01-01	41062.8895425578
2007-01-01	40674.1012225300
2008-01-01	33139.6401208705
2009-01-01	28703.8051457222
2010-01-01	34261.4168258128
2011-01-01	35693.7105494630
2012-01-01	31716.0922020857
2013-01-01	30048.6621101016
2014-01-01	27909.9916555920
2015-01-01	27958.2075364401
2016-01-01	30649.1654727612
2017-01-01	35733.9022477707