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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1958 | 1 |
| 1959 | 3 |
| 1961 | 3 |
| 1962 | 2 |
| 1964 | 1 |
| 1968 | 4 |
| 1969 | 7 |
| 1970 | 2 |
| 1971 | 1 |
| 1972 | 1 |
| 1973 | 2 |
| 1976 | 2 |
| 1978 | 1 |
| 1979 | 3 |
| 1980 | 2 |
| 1981 | 4 |
| 1982 | 1 |
| 1983 | 1 |
| 1986 | 5 |
| 1987 | 4 |
| 1988 | 6 |
| 1989 | 9 |
| 1990 | 12 |
| 1991 | 6 |
| 1992 | 18 |
| 1993 | 17 |
| 1994 | 39 |
| 1995 | 37 |
| 1996 | 26 |
| 1997 | 30 |
| 1998 | 25 |
| 1999 | 24 |
| 2000 | 37 |
| 2001 | 59 |
| 2002 | 40 |
| 2003 | 51 |
| 2004 | 66 |
| 2005 | 67 |
| 2006 | 90 |
| 2007 | 94 |
| 2008 | 117 |
| 2009 | 141 |
| 2010 | 148 |
| 2011 | 120 |
| 2012 | 146 |
| 2013 | 176 |
| 2014 | 175 |
| 2015 | 174 |
| 2016 | 178 |
| 2017 | 199 |
| 2018 | 210 |
| 2019 | 249 |
| 2020 | 254 |
| 2021 | 287 |
| 2022 | 206 |
| 2023 | 192 |
| 2024 | 159 |
| 2025 | 159 |