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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1947 | 6 |
| 1948 | 8 |
| 1949 | 5 |
| 1950 | 3 |
| 1951 | 3 |
| 1952 | 7 |
| 1953 | 5 |
| 1954 | 3 |
| 1955 | 6 |
| 1956 | 4 |
| 1957 | 2 |
| 1958 | 6 |
| 1959 | 8 |
| 1960 | 12 |
| 1961 | 16 |
| 1962 | 15 |
| 1963 | 29 |
| 1964 | 27 |
| 1965 | 15 |
| 1966 | 1 |
| 1967 | 2 |
| 1970 | 1 |
| 1971 | 1 |
| 1974 | 1 |
| 1975 | 3 |
| 1976 | 2 |
| 1977 | 25 |
| 1978 | 75 |
| 1979 | 76 |
| 1980 | 67 |
| 1981 | 93 |
| 1982 | 81 |
| 1983 | 115 |
| 1984 | 116 |
| 1985 | 110 |
| 1986 | 97 |
| 1987 | 102 |
| 1988 | 106 |
| 1989 | 120 |
| 1990 | 120 |
| 1991 | 125 |
| 1992 | 153 |
| 1993 | 116 |
| 1994 | 121 |
| 1995 | 136 |
| 1996 | 101 |
| 1997 | 102 |
| 1998 | 126 |
| 1999 | 129 |
| 2000 | 147 |
| 2001 | 146 |
| 2002 | 157 |
| 2003 | 166 |
| 2004 | 152 |
| 2005 | 161 |
| 2006 | 191 |
| 2007 | 207 |
| 2008 | 210 |
| 2009 | 209 |
| 2010 | 251 |
| 2011 | 283 |
| 2012 | 348 |
| 2013 | 366 |
| 2014 | 352 |
| 2015 | 378 |
| 2016 | 358 |
| 2017 | 427 |
| 2018 | 409 |
| 2019 | 445 |
| 2020 | 450 |
| 2021 | 389 |
| 2022 | 453 |
| 2023 | 388 |
| 2024 | 137 |