Quarter	Growth Rate Same Period Previous Year
1971-01-01	23.58803986710960000
1971-04-01	20.75817792723940000
1971-07-01	17.27298768261250000
1971-10-01	19.15656008820290000
1972-01-01	30.24193548387090000
1972-04-01	39.44303797468350000
1972-07-01	79.43331704934050000
1972-10-01	152.20911404117500000
1973-01-01	179.25696594427200000
1973-04-01	240.05083514887400000
1973-07-01	301.82412197114100000
1973-10-01	521.25103182610300000
1974-01-01	632.91943828529200000
1974-04-01	704.75173518419600000
1974-07-01	638.83054407480200000
1974-10-01	365.39159961615100000
1975-01-01	363.56742366181300000
1975-04-01	415.90327074902200000
1975-07-01	400.11875939987500000
1975-10-01	341.00268690143500000
1976-01-01	300.17185419802800000
1976-04-01	229.02712246711400000
1976-07-01	201.63894896758900000
1976-10-01	181.24639436737200000
1977-01-01	149.75597398940400000
1977-04-01	106.45544566838500000
1977-07-01	78.71605633237720000
1977-10-01	66.40843838430550000
1978-01-01	52.07132325702170000
1978-04-01	42.34832846679960000
1978-07-01	37.59187102765270000
1978-10-01	32.04401199634140000
1979-01-01	30.12000960672270000
1979-04-01	30.23513970750270000
1979-07-01	34.35662508406980000
1979-10-01	37.89744438554700000
1980-01-01	39.01192924007420000
1980-04-01	38.67628979801780000
1980-07-01	32.91013210873960000
1980-10-01	31.28571775855050000
1981-01-01	28.36715767884390000
1981-04-01	22.80029236506280000
1981-07-01	18.04452076532570000
1981-10-01	11.44068575769720000
1982-01-01	7.61089491381160000
1982-04-01	4.48582944775520000
1982-07-01	8.27428362203775000
1982-10-01	19.01042335252820000
1983-01-01	23.34460200833580000
1983-04-01	30.75960341609110000
1983-07-01	30.94073013820000000
1983-10-01	24.31271701727640000
1984-01-01	21.08369635867520000
1984-04-01	19.47671140925160000
1984-07-01	16.31180880785920000
1984-10-01	22.51915664922280000
1985-01-01	28.77234458653760000
1985-04-01	32.69085532587050000
1985-07-01	35.47834112434010000
1985-10-01	26.31029962810270000
1986-01-01	24.39251034843380000
1986-04-01	19.84575031273100000
1986-07-01	17.12994340139230000
1986-10-01	17.23535733036550000
1987-01-01	17.25887715945270000
1987-04-01	19.18407708005630000
1987-07-01	20.59205276957490000
1987-10-01	22.20061502975170000
1988-01-01	18.96700921470010000
1988-04-01	15.94923089539190000
1988-07-01	12.89523765951890000
1988-10-01	11.54088354369280000
1989-01-01	12.93977230257730000
1989-04-01	14.72961233494170000
1989-07-01	18.74653587037150000
1989-10-01	21.30567045903740000
1990-01-01	23.41974736930600000
1990-04-01	24.61804108546030000
1990-07-01	26.59325014997840000
1990-10-01	29.01823500880930000
1991-01-01	24.09678611008500000
1991-04-01	23.74549876069770000
1991-07-01	21.90480361776910000
1991-10-01	18.09140922556070000
1992-01-01	18.67452544676970000
1992-04-01	15.86043347631380000
1992-07-01	14.23220637372900000
1992-10-01	13.37360602725230000
1993-01-01	12.37468540706860000
1993-04-01	12.97572352379940000
1993-07-01	12.91821634415030000
1993-10-01	12.63443085606770000
1994-01-01	13.35724224138570000
1994-04-01	12.71031680152450000
1994-07-01	11.28852554907180000
1994-10-01	8.69954497771660000
1995-01-01	8.45941280332918000
1995-04-01	7.77713736791549000
1995-07-01	8.30700113254533000
1995-10-01	8.38440402500567000
1996-01-01	7.86134024050010000
1996-04-01	8.41087620473693000
1996-07-01	6.76861571525134000
1996-10-01	6.46427295361354000
1997-01-01	6.95565817010701000
1997-04-01	5.58293002428077000
1997-07-01	5.72158282334732000
1997-10-01	6.29498031653359000
1998-01-01	5.59682309863290000
1998-04-01	5.38583331170348000
1998-07-01	5.06748284139359000
1998-10-01	4.42121300203470000
1999-01-01	3.81728309197947000
1999-04-01	3.91901876754838000
1999-07-01	3.18875314198868000
1999-10-01	2.45152620464580000
2000-01-01	3.19553639360890000
2000-04-01	3.62807277001985000
2000-07-01	3.96213945144691000
2000-10-01	4.57211385313022000
2001-01-01	4.00543455579928000
2001-04-01	3.60305553014360000
2001-07-01	3.64040086639453000
2001-10-01	3.04397297830020000
2002-01-01	2.44276510845091000
2002-04-01	2.20400270202256000
2002-07-01	2.36111111111110000
2002-10-01	2.94318394247535000
2003-01-01	3.77718976037322000
2003-04-01	3.71853522197598000
2003-07-01	2.72697310693448000
2003-10-01	1.06590988753889000
2004-01-01	0.00587117796800323
2004-04-01	0.46189665010391800
2004-07-01	1.47583333333333000
2004-10-01	2.27229992018953000
2005-01-01	2.29423777713476000
2005-04-01	2.76568576237739000
2005-07-01	3.32016654211593000
2005-10-01	3.80788952217523000
2006-01-01	4.06414744730220000
2006-04-01	3.80753357511992000
2006-07-01	3.48729076255428000
2006-10-01	2.24697431860673000
2007-01-01	2.68857444495215000
2007-04-01	2.86380506383227000
2007-07-01	4.78719523200577000
2007-10-01	7.23678132602467000
2008-01-01	8.01183073305279000
2008-04-01	8.88644572395760000
2008-07-01	9.33708116348869000
2008-10-01	8.60566292392960000
2009-01-01	4.83468349699008000
2009-04-01	1.81025425209099000
2009-07-01	-1.85412597070705000
2009-10-01	-3.02921303312032000
2010-01-01	-0.25869788730058800
2010-04-01	1.19444815160817000
2010-07-01	2.24674022066199000
2010-10-01	2.47255497347257000
2011-01-01	2.91956239816447000
2011-04-01	3.30365974282887000
2011-07-01	3.11621215093843000
2011-10-01	4.01172256593946000
2012-01-01	4.14526186552936000
2012-04-01	3.09587642027321000
2012-07-01	2.63833835420962000
2012-10-01	2.17894934568905000
2013-01-01	1.52921004635802000
2013-04-01	1.66973940716046000
2013-07-01	2.16926565202903000
2013-10-01	2.33906473503301000
2014-01-01	3.18730457586659000
2014-04-01	4.46276007638959000
2014-07-01	4.65162707127171000
2014-10-01	5.25760969824744000
2015-01-01	4.37261737968787000
2015-04-01	4.17588761666506000
2015-07-01	4.75009538344145000
2015-10-01	4.09989984977466000
2016-01-01	4.64833140823525000
2016-04-01	4.21169298974785000
2016-07-01	3.49359558064712000
2016-10-01	2.83206060970476000
2017-01-01	2.75341566732296000
2017-04-01	2.30435167951785000
2017-07-01	1.66583570402086000
2017-10-01	2.01730791720268000
2018-01-01	2.00029031789809000
2018-04-01	2.15715152040198000
2018-07-01	2.81263522284726000