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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 1 |
| 1964 | 5 |
| 1965 | 5 |
| 1966 | 52 |
| 1967 | 69 |
| 1968 | 94 |
| 1969 | 85 |
| 1970 | 62 |
| 1971 | 84 |
| 1972 | 54 |
| 1973 | 56 |
| 1974 | 46 |
| 1975 | 43 |
| 1976 | 61 |
| 1977 | 52 |
| 1978 | 64 |
| 1979 | 84 |
| 1980 | 83 |
| 1981 | 70 |
| 1982 | 88 |
| 1983 | 113 |
| 1984 | 98 |
| 1985 | 141 |
| 1986 | 86 |
| 1987 | 125 |
| 1988 | 129 |
| 1989 | 136 |
| 1990 | 209 |
| 1991 | 216 |
| 1992 | 181 |
| 1993 | 217 |
| 1994 | 208 |
| 1995 | 177 |
| 1996 | 184 |
| 1997 | 234 |
| 1998 | 184 |
| 1999 | 173 |
| 2000 | 159 |
| 2001 | 191 |
| 2002 | 181 |
| 2003 | 205 |
| 2004 | 216 |
| 2005 | 248 |
| 2006 | 273 |
| 2007 | 231 |
| 2008 | 274 |
| 2009 | 318 |
| 2010 | 335 |
| 2011 | 327 |
| 2012 | 413 |
| 2013 | 401 |
| 2014 | 359 |
| 2015 | 357 |
| 2016 | 403 |
| 2017 | 364 |
| 2018 | 350 |
| 2019 | 348 |
| 2020 | 333 |
| 2021 | 229 |
| 2022 | 150 |
| 2023 | 124 |
| 2024 | 34 |