Monthly Thousands Of Pieces
1918-04-01 421.900
1918-05-01 497.600
1918-06-01 452.300
1918-07-01 422.700
1918-08-01 497.500
1918-09-01 418.400
1918-10-01 415.400
1918-11-01 369.000
1918-12-01 412.800
1919-01-01 461.300
1919-02-01 304.500
1919-03-01 340.200
1919-04-01 331.300
1919-05-01 373.400
1919-06-01 302.500
1919-07-01 381.800
1919-08-01 426.200
1919-09-01 370.300
1919-10-01 418.900
1919-11-01 398.400
1919-12-01 493.500
1920-01-01 455.900
1920-02-01 361.100
1920-03-01 415.800
1920-04-01 394.400
1920-05-01 261.200
1920-06-01 348.400
1920-07-01 398.000
1920-08-01 355.800
1920-09-01 310.500
1920-10-01 261.300
1920-11-01 204.800
1920-12-01 187.500
1921-01-01 163.100
1921-02-01 241.200
1921-03-01 330.200
1921-04-01 432.200
1921-05-01 351.100
1921-06-01 393.500
1921-07-01 374.700
1921-08-01 359.700
1921-09-01 386.900
1921-10-01 394.900
1921-11-01 373.900
1921-12-01 449.900
1922-01-01 320.700
1922-02-01 339.300
1922-03-01 397.800
1922-04-01 366.300
1922-05-01 379.000
1922-06-01 404.200
1922-07-01 375.900
1922-08-01 410.800
1922-09-01 414.800
1922-10-01 373.000
1922-11-01 411.500
1922-12-01 435.800
1923-01-01 401.800
1923-02-01 399.000
1923-03-01 497.500
1923-04-01 423.200
1923-05-01 491.700
1923-06-01 458.600
1923-07-01 378.300
1923-08-01 430.100
1923-09-01 430.400
1923-10-01 444.100
1923-11-01 461.800
1923-12-01 448.700
1924-01-01 464.400
1924-02-01 409.400
1924-03-01 420.600
1924-04-01 355.600
1924-05-01 340.400
1924-06-01 284.700
1924-07-01 293.000
1924-08-01 318.500
1924-09-01 325.300
1924-10-01 385.300
1924-11-01 399.800
1924-12-01 399.200
1925-01-01 419.900
1925-02-01 388.100
1925-03-01 444.900
1925-04-01 449.300
1925-05-01 468.200
1925-06-01 404.200
1925-07-01 417.600
1925-08-01 402.100
1925-09-01 371.500
1925-10-01 452.600
1925-11-01 385.800
1925-12-01 448.600
1926-01-01 427.200
1926-02-01 397.500
1926-03-01 4582.30
1926-04-01 419.500
1926-05-01 422.200
1926-06-01 382.400
1926-07-01 339.800
1926-08-01 302.600
1926-09-01 413.800
1926-10-01 401.600
1926-11-01 406.900
1926-12-01 470.500
1927-01-01 441.500
1927-02-01 424.000
1927-03-01 551.300
1927-04-01 492.500
1927-05-01 479.300
1927-06-01 530.900
1927-07-01 460.300
1927-08-01 486.400
1927-09-01 496.700
1927-10-01 466.500
1927-11-01 472.300
1927-12-01 468.800
1928-01-01 401.700
1928-02-01 429.100
1928-03-01 461.400
1928-04-01 255.900
1928-05-01 128.600
1928-06-01 134.200
1928-07-01 80.4000
1928-08-01 136.200
1928-09-01 113.600
1928-10-01 282.800
1928-11-01 348.700
1928-12-01 363.200
1929-01-01 403.300
1929-02-01 410.400
1929-03-01 464.500
1929-04-01 425.900
1929-05-01 527.000
1929-06-01 465.500
1929-07-01 408.700
1929-08-01 485.400
1929-09-01 381.800
1929-10-01 454.500
1929-11-01 390.500
1929-12-01 367.700
1930-01-01 420.200
1930-02-01 356.300
1930-03-01 402.300
1930-04-01 351.600