Year	Number of Firms
1992-01-01	123
1997-01-01	274
2002-01-01	370
2003-01-01	350
2004-01-01	348
2005-01-01	498
2006-01-01	488
2007-01-01	499
2008-01-01	623
2009-01-01	623
2010-01-01	637
2011-01-01	682
2012-01-01	617
2013-01-01	620
2014-01-01	654
2015-01-01	735
2016-01-01	919