Month Growth rate same period previous year 1980-01-01 8.5399449035812800 1980-02-01 14.2857142857143000 1980-03-01 16.4835164835165000 1980-04-01 13.6239782016349000 1980-05-01 13.0790190735695000 1980-06-01 13.0434782608696000 1980-07-01 13.2432432432432000 1980-08-01 13.4408602150538000 1980-09-01 13.5638297872341000 1980-10-01 13.6842105263158000 1980-11-01 13.8020833333333000 1980-12-01 14.2857142857143000 1981-01-01 13.4517766497462000 1981-02-01 9.3749999999999900 1981-03-01 9.9056603773585000 1981-04-01 12.7098321342926000 1981-05-01 14.2168674698795000 1981-06-01 15.1442307692308000 1981-07-01 14.5584725536993000 1981-08-01 14.6919431279621000 1981-09-01 14.9882903981265000 1981-10-01 13.8888888888889000 1981-11-01 13.0434782608696000 1981-12-01 12.5000000000000000 1982-01-01 12.0805369127517000 1982-02-01 11.4285714285714000 1982-03-01 10.5150214592275000 1982-04-01 10.2127659574468000 1982-05-01 9.7046413502109800 1982-06-01 8.1419624217119100 1982-07-01 8.7500000000000100 1982-08-01 8.6776859504132300 1982-09-01 8.3503054989816600 1982-10-01 8.9430894308943100 1982-11-01 9.5141700404858400 1982-12-01 9.2929292929293000 1983-01-01 8.7824351297405300 1983-02-01 9.0729783037475200 1983-03-01 8.7378640776699100 1983-04-01 8.4942084942085000 1983-05-01 8.2692307692307600 1983-06-01 9.0733590733590800 1983-07-01 8.8122605363984500 1983-08-01 8.1749049429657600 1983-09-01 7.7067669172932200 1983-10-01 7.0895522388059600 1983-11-01 6.4695009242144200 1983-12-01 6.6543438077634100 1984-01-01 5.8715596330275300 1984-02-01 5.0632911392405300 1984-03-01 4.6428571428571500 1984-04-01 4.6263345195729400 1984-05-01 4.9733570159858200 1984-06-01 4.9557522123893600 1984-07-01 4.7535211267605700 1984-08-01 4.5694200351493900 1984-09-01 4.1884816753926900 1984-10-01 4.5296167247386800 1984-11-01 4.8611111111111000 1984-12-01 4.8526863084921900 1985-01-01 4.8526863084921900 1985-02-01 4.8192771084337200 1985-03-01 4.6075085324231900 1985-04-01 4.5918367346938800 1985-05-01 4.5685279187817100 1985-06-01 4.2158516020236100 1985-07-01 4.0336134453781600 1985-08-01 4.2016806722689100 1985-09-01 5.0251256281406900 1985-10-01 5.0000000000000000 1985-11-01 4.9668874172185500 1985-12-01 5.1239669421487700 1986-01-01 5.7851239669421500 1986-02-01 5.7471264367816100 1986-03-01 6.1990212071778000 1986-04-01 6.3414634146341500 1986-05-01 5.8252427184466100 1986-06-01 7.6051779935275200 1986-07-01 8.5621970920840100 1986-08-01 8.8709677419354900 1986-09-01 8.7719298245614100 1986-10-01 9.0476190476190600 1986-11-01 8.8328075709779200 1986-12-01 9.2767295597484400 1987-01-01 9.0624999999999900 1987-02-01 10.4037267080745000 1987-03-01 9.9846390168970900 1987-04-01 9.9388379204893000 1987-05-01 10.5504587155963000 1987-06-01 9.1729323308270600 1987-07-01 8.3333333333333200 1987-08-01 8.0000000000000100 1987-09-01 7.9178885630498400 1987-10-01 7.8602620087336100 1987-11-01 7.5362318840579600 1987-12-01 7.0503597122302200 1988-01-01 7.1633237822349600 1988-02-01 6.1884669479606200 1988-03-01 6.2849162011173200 1988-04-01 6.2586926286509100 1988-05-01 5.8091286307054000 1988-06-01 5.6473829201102000 1988-07-01 5.7692307692307800 1988-08-01 5.4869684499314200 1988-09-01 5.0271739130434800 1988-10-01 4.5883940620782800 1988-11-01 4.4474393530997300 1988-12-01 4.0322580645161200 1989-01-01 3.7433155080213800 1989-02-01 3.8410596026490100 1989-03-01 3.0223390275952700 1989-04-01 2.7486910994764300 1989-05-01 2.7450980392156700 1989-06-01 2.6075619295958300 1989-07-01 2.4675324675324700 1989-08-01 2.6007802340702100 1989-09-01 2.5873221216041400 1989-10-01 2.4516129032258100 1989-11-01 2.1935483870967800 1989-12-01 1.6795865633075000 1990-01-01 1.9329896907216500 1990-02-01 1.2755102040816300 1990-03-01 1.7857142857142900 1990-04-01 1.9108280254777100 1990-05-01 1.9083969465648900 1990-06-01 1.7789072426937600 1990-07-01 1.3941698352344800 1990-08-01 1.6476552598225600 1990-09-01 1.0088272383354200 1990-10-01 1.6372795969773300 1990-11-01 2.2727272727272700 1990-12-01 2.9224904701397700 1991-01-01 2.5284450063211100 1991-02-01 2.3929471032745500 1991-03-01 2.0050125313283200 1991-04-01 1.8750000000000000 1991-05-01 1.9975031210986400 1991-06-01 1.9975031210986400 1991-07-01 2.1250000000000000 1991-08-01 1.9950124688279200 1991-09-01 2.4968789013732900 1991-10-01 1.8587360594795600 1991-11-01 1.4814814814814800 1991-12-01 1.4814814814814800 1992-01-01 0.6165228113440200 1992-02-01 0.6150061500615010 1992-03-01 0.8599508599508470 1992-04-01 0.7361963190183920 1992-05-01 0.4895960832313210 1992-06-01 0.6119951040391680 1992-07-01 0.6119951040391680 1992-08-01 0.2444987775061260 1992-09-01 0.0000000000000000 1992-10-01 0.2433090024330900 1992-11-01 0.4866180048661670 1992-12-01 0.4866180048661670 1993-01-01 1.2254901960784300 1993-02-01 1.7114914425428000 1993-03-01 1.7052375152253400 1993-04-01 1.9488428745432600 1993-05-01 2.0706455542021900 1993-06-01 1.9464720194647100 1993-07-01 2.0681265206812700 1993-08-01 1.9512195121951100 1993-09-01 2.0706455542021900 1993-10-01 1.9417475728155200 1993-11-01 1.5738498789346400 1993-12-01 1.5738498789346400 1994-01-01 0.8474576271186450 1994-02-01 0.9615384615384490 1994-03-01 0.9580838323353300 1994-04-01 0.5973715651135010 1994-05-01 0.8353221957040580 1994-06-01 0.5966587112171840 1994-07-01 0.5959475566150180 1994-08-01 0.7177033492823110 1994-09-01 0.7159904534606340 1994-10-01 0.4761904761904900 1994-11-01 0.7151370679380090 1994-12-01 0.7151370679380090 1995-01-01 0.7202881152461120 1995-02-01 0.5952380952380960 1995-03-01 0.7117437722420070 1995-04-01 0.8313539192399060 1995-05-01 0.5917159763313620 1995-06-01 1.0676156583630000 1995-07-01 1.1848341232227500 1995-08-01 1.1876484560570100 1995-09-01 0.9478672985782000 1995-10-01 1.0663507109004600 1995-11-01 0.9467455621301780 1995-12-01 0.8284023668639190 1996-01-01 1.0727056019070200 1996-02-01 0.9467455621301780 1996-03-01 0.7067137809187160 1996-04-01 0.8244994110718370 1996-05-01 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