Year	Number of Firms
1992-01-01	55
1997-01-01	79
2002-01-01	80
2003-01-01	79
2004-01-01	94
2005-01-01	102
2006-01-01	109
2007-01-01	139
2008-01-01	149
2009-01-01	146
2010-01-01	177
2011-01-01	198
2012-01-01	178
2013-01-01	175
2014-01-01	158
2015-01-01	187
2016-01-01	173