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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1942 | 1 |
| 1944 | 1 |
| 1946 | 3 |
| 1947 | 1 |
| 1950 | 1 |
| 1951 | 3 |
| 1953 | 1 |
| 1955 | 3 |
| 1956 | 3 |
| 1957 | 1 |
| 1958 | 3 |
| 1959 | 1 |
| 1962 | 1 |
| 1963 | 4 |
| 1964 | 2 |
| 1965 | 2 |
| 1966 | 5 |
| 1967 | 1 |
| 1968 | 7 |
| 1969 | 4 |
| 1971 | 7 |
| 1972 | 14 |
| 1973 | 5 |
| 1974 | 13 |
| 1975 | 8 |
| 1976 | 29 |
| 1977 | 28 |
| 1978 | 23 |
| 1979 | 18 |
| 1980 | 19 |
| 1981 | 24 |
| 1982 | 26 |
| 1983 | 35 |
| 1984 | 61 |
| 1985 | 52 |
| 1986 | 43 |
| 1987 | 62 |
| 1988 | 210 |
| 1989 | 514 |
| 1990 | 679 |
| 1991 | 732 |
| 1992 | 746 |
| 1993 | 929 |
| 1994 | 1036 |
| 1995 | 1057 |
| 1996 | 1320 |
| 1997 | 1656 |
| 1998 | 2158 |
| 1999 | 2303 |
| 2000 | 2207 |
| 2001 | 2282 |
| 2002 | 2224 |
| 2003 | 2484 |
| 2004 | 2797 |
| 2005 | 2854 |
| 2006 | 3235 |
| 2007 | 3725 |
| 2008 | 3653 |
| 2009 | 3708 |
| 2010 | 3977 |
| 2011 | 3720 |
| 2012 | 3975 |
| 2013 | 4132 |
| 2014 | 4106 |
| 2015 | 4122 |
| 2016 | 3819 |
| 2017 | 3938 |
| 2018 | 4066 |
| 2019 | 3958 |
| 2020 | 3182 |
| 2021 | 2248 |
| 2022 | 1656 |
| 2023 | 2003 |
| 2024 | 2082 |
| 2025 | 1205 |