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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 1 |
| 1949 | 4 |
| 1952 | 1 |
| 1953 | 4 |
| 1955 | 2 |
| 1956 | 3 |
| 1957 | 5 |
| 1958 | 3 |
| 1959 | 5 |
| 1960 | 6 |
| 1961 | 3 |
| 1962 | 2 |
| 1965 | 6 |
| 1966 | 13 |
| 1967 | 20 |
| 1968 | 43 |
| 1969 | 56 |
| 1970 | 56 |
| 1971 | 53 |
| 1972 | 52 |
| 1973 | 54 |
| 1974 | 71 |
| 1975 | 42 |
| 1976 | 42 |
| 1977 | 45 |
| 1978 | 54 |
| 1979 | 59 |
| 1980 | 60 |
| 1981 | 58 |
| 1982 | 76 |
| 1983 | 72 |
| 1984 | 93 |
| 1985 | 125 |
| 1986 | 107 |
| 1987 | 94 |
| 1988 | 107 |
| 1989 | 110 |
| 1990 | 138 |
| 1991 | 118 |
| 1992 | 109 |
| 1993 | 151 |
| 1994 | 142 |
| 1995 | 128 |
| 1996 | 141 |
| 1997 | 165 |
| 1998 | 164 |
| 1999 | 200 |
| 2000 | 211 |
| 2001 | 217 |
| 2002 | 210 |
| 2003 | 241 |
| 2004 | 242 |
| 2005 | 283 |
| 2006 | 276 |
| 2007 | 332 |
| 2008 | 327 |
| 2009 | 332 |
| 2010 | 391 |
| 2011 | 450 |
| 2012 | 446 |
| 2013 | 467 |
| 2014 | 527 |
| 2015 | 531 |
| 2016 | 454 |
| 2017 | 506 |
| 2018 | 551 |
| 2019 | 508 |
| 2020 | 454 |
| 2021 | 305 |
| 2022 | 243 |
| 2023 | 195 |
| 2024 | 51 |