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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1946 | 1 |
| 1948 | 1 |
| 1949 | 2 |
| 1952 | 1 |
| 1953 | 5 |
| 1954 | 4 |
| 1955 | 9 |
| 1956 | 8 |
| 1957 | 5 |
| 1958 | 5 |
| 1959 | 9 |
| 1960 | 5 |
| 1961 | 6 |
| 1962 | 4 |
| 1964 | 1 |
| 1965 | 14 |
| 1966 | 37 |
| 1967 | 42 |
| 1968 | 62 |
| 1969 | 66 |
| 1970 | 72 |
| 1971 | 103 |
| 1972 | 82 |
| 1973 | 93 |
| 1974 | 95 |
| 1975 | 74 |
| 1976 | 55 |
| 1977 | 62 |
| 1978 | 56 |
| 1979 | 78 |
| 1980 | 68 |
| 1981 | 88 |
| 1982 | 72 |
| 1983 | 71 |
| 1984 | 86 |
| 1985 | 82 |
| 1986 | 88 |
| 1987 | 82 |
| 1988 | 99 |
| 1989 | 87 |
| 1990 | 83 |
| 1991 | 94 |
| 1992 | 113 |
| 1993 | 110 |
| 1994 | 113 |
| 1995 | 128 |
| 1996 | 136 |
| 1997 | 125 |
| 1998 | 129 |
| 1999 | 143 |
| 2000 | 169 |
| 2001 | 172 |
| 2002 | 180 |
| 2003 | 201 |
| 2004 | 229 |
| 2005 | 195 |
| 2006 | 252 |
| 2007 | 217 |
| 2008 | 276 |
| 2009 | 261 |
| 2010 | 234 |
| 2011 | 291 |
| 2012 | 336 |
| 2013 | 357 |
| 2014 | 357 |
| 2015 | 374 |
| 2016 | 386 |
| 2017 | 353 |
| 2018 | 426 |
| 2019 | 387 |
| 2020 | 449 |
| 2021 | 376 |
| 2022 | 317 |
| 2023 | 343 |
| 2024 | 419 |
| 2025 | 339 |
| 2026 | 157 |