Bang 17
	x1	x2	x3	x4
30 4
1913	1990	2.7	12.8	230
1914	1950	3.1	13.7	268
1915	1630	1.9	12.0	188
1916	1720	1.3	11.7	315
1917	1560	1.0	12.7	180
1918	1680	1.6	12.0	261
1919	1980	2.3	12.2	216
1920	2180	1.7	12.8	346
1921	2370	3.1	13.1	131
1922	1790	1.1	11.8	256
1923	2400	1.6	11.2	327
1924	1410	0.1	11.8	320
1925	2570	3.7	13.2	382
1926	2180	1.1	12.5	279
1927	2150	2.5	12.2	351
1928	2530	0.8	10.5	324
1929	2100	0.8	10.9	196
1930	2330	3.6	12.4	381
1931	1850	1.6	10.7	273
1932	2230	1.9	12.5	289
1933	2510	2.2	11.9	338
1934	2600	3.0	13.5	267
1935	2480	3.2	12.3	372
1936	1940	2.8	12.3	357
1937	2770	2.1	13.5	358
1938	2570	3.3	12.9	202
1939	2510	3.8	13.4	311
1940	1420	-1.1	11.3	172
1941	810	-0.4	11.3	194
1942	1990	-2.4	11.2	261