Year	Number of Firms
1992-01-01	115
1997-01-01	159
2002-01-01	139
2003-01-01	151
2004-01-01	143
2005-01-01	148
2006-01-01	156
2007-01-01	160
2008-01-01	166
2009-01-01	174
2010-01-01	169
2011-01-01	176
2012-01-01	172
2013-01-01	190
2014-01-01	187
2015-01-01	163
2016-01-01	185