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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1948 | 1 |
| 1957 | 2 |
| 1959 | 3 |
| 1965 | 1 |
| 1971 | 2 |
| 1972 | 13 |
| 1973 | 15 |
| 1974 | 24 |
| 1975 | 17 |
| 1976 | 20 |
| 1977 | 32 |
| 1978 | 22 |
| 1979 | 56 |
| 1980 | 54 |
| 1981 | 89 |
| 1982 | 107 |
| 1983 | 66 |
| 1984 | 76 |
| 1985 | 100 |
| 1986 | 99 |
| 1987 | 97 |
| 1988 | 93 |
| 1989 | 72 |
| 1990 | 77 |
| 1991 | 71 |
| 1992 | 70 |
| 1993 | 62 |
| 1994 | 52 |
| 1995 | 87 |
| 1996 | 62 |
| 1997 | 83 |
| 1998 | 86 |
| 1999 | 100 |
| 2000 | 106 |
| 2001 | 109 |
| 2002 | 164 |
| 2003 | 144 |
| 2004 | 191 |
| 2005 | 240 |
| 2006 | 252 |
| 2007 | 269 |
| 2008 | 315 |
| 2009 | 276 |
| 2010 | 274 |
| 2011 | 342 |
| 2012 | 398 |
| 2013 | 333 |
| 2014 | 360 |
| 2015 | 352 |
| 2016 | 367 |
| 2017 | 359 |
| 2018 | 287 |
| 2019 | 308 |
| 2020 | 327 |
| 2021 | 277 |
| 2022 | 354 |
| 2023 | 243 |
| 2024 | 74 |