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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 1 |
| 1959 | 8 |
| 1960 | 18 |
| 1961 | 19 |
| 1962 | 9 |
| 1968 | 2 |
| 1969 | 2 |
| 1971 | 1 |
| 1972 | 1 |
| 1974 | 3 |
| 1975 | 2 |
| 1976 | 8 |
| 1977 | 10 |
| 1978 | 16 |
| 1979 | 5 |
| 1980 | 9 |
| 1981 | 6 |
| 1982 | 13 |
| 1983 | 11 |
| 1984 | 15 |
| 1985 | 8 |
| 1986 | 22 |
| 1987 | 17 |
| 1988 | 22 |
| 1989 | 30 |
| 1990 | 73 |
| 1991 | 140 |
| 1992 | 146 |
| 1993 | 163 |
| 1994 | 186 |
| 1995 | 166 |
| 1996 | 159 |
| 1997 | 178 |
| 1998 | 160 |
| 1999 | 194 |
| 2000 | 213 |
| 2001 | 191 |
| 2002 | 192 |
| 2003 | 217 |
| 2004 | 281 |
| 2005 | 295 |
| 2006 | 268 |
| 2007 | 278 |
| 2008 | 284 |
| 2009 | 264 |
| 2010 | 300 |
| 2011 | 283 |
| 2012 | 258 |
| 2013 | 276 |
| 2014 | 290 |
| 2015 | 324 |
| 2016 | 317 |
| 2017 | 273 |
| 2018 | 316 |
| 2019 | 250 |
| 2020 | 202 |
| 2021 | 176 |
| 2022 | 173 |
| 2023 | 147 |
| 2024 | 50 |