Dating Aynsley China pieces

This means combining the design stamp and reg numbers gives a more accurate date.

The written B.1322 is the pattern number and recorded in the factory pattern book.

1884 1
1885 19756
1886 40480
1887 64520
1888 90483
1889 116648

1890 141273
1891 163767
1892 185713
1893 205240
1894 224720
1895 246975
1896 268392
1897 291241
1898 311658
1899 331707

1900 351202
1901 368154
1902 385180
1903 403200
1904 424400
1905 447800
1906 471860
1907 493900
1908 518640
1909 535170

1910 552000
1911 574817
1912 594195
1913 612431
1914 630190
1915 644935
1916 653521
1917 658988
1918 662872
1919 666128

1920 673750
1921 680147
1922 687144
1923 694999
1924 702671
1925 710165
1926 718057
1927 726330
1928 734370
1929 742725

1930 751160
1931 760583
1932 769670
1933 779292
1934 789019
1935 799097
1936 808794
1937 817293
1938 825231
1939 832610

1940 837520
1941 838590
1942 839230
1943 839980
1944 841040
1945 842670
1946 845550
1947 849730
1948 853260
1949 856999

1950 860854
1951 863970
1952 866280
1953 869300
1954 872531
1955 876067
1956 879282
1957 882949
1958 887079
1959 891665

1960 895000
1961 899914
1962 904638
1963 909364
1964 914536
1965 919607