Year	Number of Firms
1992-01-01	57
1997-01-01	120
2002-01-01	118
2003-01-01	142
2004-01-01	152
2005-01-01	152
2006-01-01	159
2007-01-01	171
2008-01-01	203
2009-01-01	222
2010-01-01	263
2011-01-01	291
2012-01-01	336
2013-01-01	345
2014-01-01	376
2015-01-01	384
2016-01-01	374