Year	Number of Firms
1992-01-01	54
1997-01-01	94
2002-01-01	132
2003-01-01	179
2004-01-01	168
2005-01-01	177
2006-01-01	166
2007-01-01	184
2008-01-01	200
2009-01-01	171
2010-01-01	196
2011-01-01	199
2012-01-01	199
2013-01-01	216
2014-01-01	221
2015-01-01	195
2016-01-01	176