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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1920 | 1 |
| 1950 | 2 |
| 1951 | 6 |
| 1952 | 8 |
| 1953 | 9 |
| 1954 | 4 |
| 1955 | 5 |
| 1956 | 6 |
| 1957 | 6 |
| 1958 | 4 |
| 1959 | 1 |
| 1960 | 2 |
| 1961 | 9 |
| 1962 | 18 |
| 1963 | 24 |
| 1964 | 20 |
| 1965 | 25 |
| 1966 | 28 |
| 1967 | 44 |
| 1968 | 33 |
| 1969 | 28 |
| 1970 | 40 |
| 1971 | 48 |
| 1972 | 46 |
| 1973 | 52 |
| 1974 | 52 |
| 1975 | 64 |
| 1976 | 64 |
| 1977 | 56 |
| 1978 | 87 |
| 1979 | 80 |
| 1980 | 74 |
| 1981 | 86 |
| 1982 | 87 |
| 1983 | 99 |
| 1984 | 110 |
| 1985 | 122 |
| 1986 | 135 |
| 1987 | 130 |
| 1988 | 121 |
| 1989 | 145 |
| 1990 | 120 |
| 1991 | 126 |
| 1992 | 136 |
| 1993 | 130 |
| 1994 | 137 |
| 1995 | 165 |
| 1996 | 194 |
| 1997 | 199 |
| 1998 | 230 |
| 1999 | 232 |
| 2000 | 262 |
| 2001 | 276 |
| 2002 | 245 |
| 2003 | 252 |
| 2004 | 278 |
| 2005 | 276 |
| 2006 | 286 |
| 2007 | 269 |
| 2008 | 269 |
| 2009 | 294 |
| 2010 | 323 |
| 2011 | 368 |
| 2012 | 432 |
| 2013 | 420 |
| 2014 | 439 |
| 2015 | 465 |
| 2016 | 444 |
| 2017 | 399 |
| 2018 | 415 |
| 2019 | 458 |
| 2020 | 545 |
| 2021 | 567 |
| 2022 | 541 |
| 2023 | 499 |
| 2024 | 230 |