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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1958 | 1 |
| 1959 | 20 |
| 1960 | 58 |
| 1961 | 56 |
| 1962 | 47 |
| 1966 | 1 |
| 1967 | 3 |
| 1968 | 3 |
| 1969 | 3 |
| 1970 | 2 |
| 1971 | 5 |
| 1972 | 2 |
| 1973 | 5 |
| 1974 | 2 |
| 1975 | 4 |
| 1976 | 6 |
| 1977 | 3 |
| 1978 | 2 |
| 1979 | 7 |
| 1980 | 5 |
| 1981 | 8 |
| 1982 | 9 |
| 1983 | 6 |
| 1984 | 4 |
| 1985 | 5 |
| 1986 | 9 |
| 1987 | 12 |
| 1988 | 8 |
| 1989 | 14 |
| 1990 | 60 |
| 1991 | 143 |
| 1992 | 198 |
| 1993 | 223 |
| 1994 | 261 |
| 1995 | 276 |
| 1996 | 264 |
| 1997 | 257 |
| 1998 | 282 |
| 1999 | 287 |
| 2000 | 300 |
| 2001 | 322 |
| 2002 | 322 |
| 2003 | 367 |
| 2004 | 391 |
| 2005 | 447 |
| 2006 | 400 |
| 2007 | 428 |
| 2008 | 398 |
| 2009 | 350 |
| 2010 | 386 |
| 2011 | 356 |
| 2012 | 393 |
| 2013 | 358 |
| 2014 | 326 |
| 2015 | 324 |
| 2016 | 299 |
| 2017 | 302 |
| 2018 | 291 |
| 2019 | 227 |
| 2020 | 253 |
| 2021 | 214 |
| 2022 | 133 |
| 2023 | 114 |
| 2024 | 53 |