Year	Number of Firms
1992-01-01	17
1997-01-01	55
2002-01-01	71
2003-01-01	66
2004-01-01	99
2005-01-01	125
2006-01-01	149
2007-01-01	191
2008-01-01	247
2009-01-01	289
2010-01-01	264
2011-01-01	374
2012-01-01	206
2013-01-01	248
2014-01-01	231
2015-01-01	155
2016-01-01	105