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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 3 |
| 1951 | 1 |
| 1952 | 16 |
| 1953 | 16 |
| 1954 | 16 |
| 1955 | 14 |
| 1956 | 5 |
| 1957 | 2 |
| 1958 | 5 |
| 1964 | 4 |
| 1965 | 13 |
| 1966 | 21 |
| 1967 | 23 |
| 1968 | 34 |
| 1969 | 29 |
| 1970 | 34 |
| 1971 | 48 |
| 1972 | 33 |
| 1973 | 102 |
| 1974 | 122 |
| 1975 | 165 |
| 1976 | 198 |
| 1977 | 224 |
| 1978 | 244 |
| 1979 | 248 |
| 1980 | 188 |
| 1981 | 181 |
| 1982 | 218 |
| 1983 | 153 |
| 1984 | 158 |
| 1985 | 123 |
| 1986 | 146 |
| 1987 | 99 |
| 1988 | 112 |
| 1989 | 160 |
| 1990 | 164 |
| 1991 | 166 |
| 1992 | 161 |
| 1993 | 149 |
| 1994 | 132 |
| 1995 | 136 |
| 1996 | 164 |
| 1997 | 133 |
| 1998 | 124 |
| 1999 | 146 |
| 2000 | 176 |
| 2001 | 168 |
| 2002 | 193 |
| 2003 | 174 |
| 2004 | 212 |
| 2005 | 219 |
| 2006 | 264 |
| 2007 | 248 |
| 2008 | 255 |
| 2009 | 292 |
| 2010 | 273 |
| 2011 | 276 |
| 2012 | 297 |
| 2013 | 342 |
| 2014 | 327 |
| 2015 | 314 |
| 2016 | 291 |
| 2017 | 254 |
| 2018 | 287 |
| 2019 | 268 |
| 2020 | 361 |
| 2021 | 334 |
| 2022 | 286 |
| 2023 | 228 |
| 2024 | 67 |