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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1922 | 1 |
| 1928 | 2 |
| 1934 | 1 |
| 1938 | 1 |
| 1943 | 1 |
| 1944 | 4 |
| 1945 | 3 |
| 1946 | 3 |
| 1947 | 2 |
| 1948 | 3 |
| 1949 | 4 |
| 1950 | 8 |
| 1951 | 3 |
| 1952 | 4 |
| 1953 | 2 |
| 1954 | 5 |
| 1955 | 2 |
| 1956 | 3 |
| 1957 | 5 |
| 1958 | 7 |
| 1959 | 31 |
| 1960 | 7 |
| 1961 | 3 |
| 1962 | 20 |
| 1963 | 18 |
| 1964 | 25 |
| 1965 | 17 |
| 1966 | 9 |
| 1967 | 9 |
| 1968 | 8 |
| 1969 | 13 |
| 1970 | 14 |
| 1971 | 11 |
| 1972 | 21 |
| 1973 | 19 |
| 1974 | 20 |
| 1975 | 34 |
| 1976 | 36 |
| 1977 | 57 |
| 1978 | 59 |
| 1979 | 121 |
| 1980 | 149 |
| 1981 | 176 |
| 1982 | 207 |
| 1983 | 261 |
| 1984 | 279 |
| 1985 | 292 |
| 1986 | 325 |
| 1987 | 334 |
| 1988 | 344 |
| 1989 | 404 |
| 1990 | 409 |
| 1991 | 447 |
| 1992 | 455 |
| 1993 | 454 |
| 1994 | 560 |
| 1995 | 558 |
| 1996 | 612 |
| 1997 | 660 |
| 1998 | 737 |
| 1999 | 818 |
| 2000 | 926 |
| 2001 | 1032 |
| 2002 | 1284 |
| 2003 | 1583 |
| 2004 | 1894 |
| 2005 | 2498 |
| 2006 | 2826 |
| 2007 | 3121 |
| 2008 | 3571 |
| 2009 | 3906 |
| 2010 | 4629 |
| 2011 | 5272 |
| 2012 | 6303 |
| 2013 | 7136 |
| 2014 | 8051 |
| 2015 | 9193 |
| 2016 | 9412 |
| 2017 | 10030 |
| 2018 | 11236 |
| 2019 | 12824 |
| 2020 | 14948 |
| 2021 | 16857 |
| 2022 | 19073 |
| 2023 | 5028 |