Year	Number of Firms
1992-01-01	49
1997-01-01	67
2002-01-01	76
2003-01-01	97
2004-01-01	105
2005-01-01	107
2006-01-01	121
2007-01-01	146
2008-01-01	143
2009-01-01	136
2010-01-01	152
2011-01-01	152
2012-01-01	152
2013-01-01	159
2014-01-01	167
2015-01-01	150
2016-01-01	168