Year	Number of Firms
1992-01-01	54
1997-01-01	67
2002-01-01	90
2003-01-01	101
2004-01-01	95
2005-01-01	94
2006-01-01	103
2007-01-01	122
2008-01-01	152
2009-01-01	159
2010-01-01	167
2011-01-01	156
2012-01-01	164
2013-01-01	178
2014-01-01	174
2015-01-01	164
2016-01-01	150