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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1955 | 1 |
| 1961 | 1 |
| 1965 | 1 |
| 1978 | 1 |
| 1979 | 20 |
| 1980 | 51 |
| 1981 | 40 |
| 1982 | 58 |
| 1983 | 63 |
| 1984 | 76 |
| 1985 | 67 |
| 1986 | 82 |
| 1987 | 79 |
| 1988 | 101 |
| 1989 | 106 |
| 1990 | 88 |
| 1991 | 115 |
| 1992 | 142 |
| 1993 | 119 |
| 1994 | 133 |
| 1995 | 139 |
| 1996 | 162 |
| 1997 | 151 |
| 1998 | 182 |
| 1999 | 188 |
| 2000 | 202 |
| 2001 | 186 |
| 2002 | 206 |
| 2003 | 209 |
| 2004 | 221 |
| 2005 | 226 |
| 2006 | 241 |
| 2007 | 270 |
| 2008 | 282 |
| 2009 | 306 |
| 2010 | 292 |
| 2011 | 312 |
| 2012 | 313 |
| 2013 | 309 |
| 2014 | 318 |
| 2015 | 266 |
| 2016 | 228 |
| 2017 | 197 |
| 2018 | 200 |
| 2019 | 191 |
| 2020 | 135 |
| 2021 | 105 |
| 2022 | 58 |
| 2023 | 61 |
| 2024 | 189 |
| 2025 | 150 |