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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1946 | 5 |
| 1947 | 1 |
| 1948 | 10 |
| 1949 | 4 |
| 1951 | 1 |
| 1952 | 1 |
| 1953 | 4 |
| 1954 | 14 |
| 1955 | 22 |
| 1956 | 28 |
| 1957 | 38 |
| 1958 | 31 |
| 1959 | 43 |
| 1960 | 56 |
| 1961 | 49 |
| 1962 | 27 |
| 1963 | 14 |
| 1964 | 14 |
| 1965 | 35 |
| 1966 | 65 |
| 1967 | 144 |
| 1968 | 197 |
| 1969 | 231 |
| 1970 | 202 |
| 1971 | 173 |
| 1972 | 235 |
| 1973 | 191 |
| 1974 | 263 |
| 1975 | 185 |
| 1976 | 186 |
| 1977 | 198 |
| 1978 | 177 |
| 1979 | 206 |
| 1980 | 191 |
| 1981 | 202 |
| 1982 | 208 |
| 1983 | 199 |
| 1984 | 229 |
| 1985 | 290 |
| 1986 | 338 |
| 1987 | 340 |
| 1988 | 349 |
| 1989 | 384 |
| 1990 | 408 |
| 1991 | 365 |
| 1992 | 345 |
| 1993 | 370 |
| 1994 | 411 |
| 1995 | 416 |
| 1996 | 428 |
| 1997 | 415 |
| 1998 | 426 |
| 1999 | 380 |
| 2000 | 518 |
| 2001 | 458 |
| 2002 | 449 |
| 2003 | 450 |
| 2004 | 466 |
| 2005 | 573 |
| 2006 | 559 |
| 2007 | 630 |
| 2008 | 657 |
| 2009 | 684 |
| 2010 | 748 |
| 2011 | 797 |
| 2012 | 836 |
| 2013 | 858 |
| 2014 | 930 |
| 2015 | 909 |
| 2016 | 896 |
| 2017 | 804 |
| 2018 | 876 |
| 2019 | 915 |
| 2020 | 897 |
| 2021 | 753 |
| 2022 | 574 |
| 2023 | 504 |
| 2024 | 275 |