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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1952 | 1 |
| 1959 | 1 |
| 1960 | 1 |
| 1961 | 1 |
| 1965 | 1 |
| 1967 | 3 |
| 1968 | 12 |
| 1969 | 17 |
| 1970 | 12 |
| 1971 | 11 |
| 1972 | 13 |
| 1973 | 19 |
| 1974 | 30 |
| 1975 | 29 |
| 1976 | 54 |
| 1977 | 61 |
| 1978 | 77 |
| 1979 | 61 |
| 1980 | 73 |
| 1981 | 55 |
| 1982 | 55 |
| 1983 | 64 |
| 1984 | 65 |
| 1985 | 56 |
| 1986 | 61 |
| 1987 | 70 |
| 1988 | 61 |
| 1989 | 87 |
| 1990 | 165 |
| 1991 | 166 |
| 1992 | 171 |
| 1993 | 124 |
| 1994 | 81 |
| 1995 | 60 |
| 1996 | 81 |
| 1997 | 116 |
| 1998 | 140 |
| 1999 | 179 |
| 2000 | 215 |
| 2001 | 245 |
| 2002 | 212 |
| 2003 | 253 |
| 2004 | 323 |
| 2005 | 342 |
| 2006 | 390 |
| 2007 | 392 |
| 2008 | 325 |
| 2009 | 354 |
| 2010 | 310 |
| 2011 | 248 |
| 2012 | 319 |
| 2013 | 365 |
| 2014 | 349 |
| 2015 | 406 |
| 2016 | 508 |
| 2017 | 571 |
| 2018 | 655 |
| 2019 | 597 |
| 2020 | 503 |
| 2021 | 217 |
| 2022 | 20 |
| 2023 | 27 |
| 2024 | 233 |
| 2025 | 378 |
| 2026 | 12 |