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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1971 | 1 |
| 1972 | 7 |
| 1973 | 15 |
| 1974 | 24 |
| 1975 | 30 |
| 1976 | 46 |
| 1977 | 42 |
| 1978 | 63 |
| 1979 | 79 |
| 1980 | 92 |
| 1981 | 117 |
| 1982 | 142 |
| 1983 | 192 |
| 1984 | 189 |
| 1985 | 187 |
| 1986 | 210 |
| 1987 | 218 |
| 1988 | 158 |
| 1989 | 169 |
| 1990 | 142 |
| 1991 | 158 |
| 1992 | 179 |
| 1993 | 145 |
| 1994 | 172 |
| 1995 | 171 |
| 1996 | 161 |
| 1997 | 203 |
| 1998 | 165 |
| 1999 | 196 |
| 2000 | 194 |
| 2001 | 164 |
| 2002 | 187 |
| 2003 | 180 |
| 2004 | 180 |
| 2005 | 194 |
| 2006 | 211 |
| 2007 | 219 |
| 2008 | 252 |
| 2009 | 192 |
| 2010 | 249 |
| 2011 | 225 |
| 2012 | 263 |
| 2013 | 274 |
| 2014 | 249 |
| 2015 | 243 |
| 2016 | 211 |
| 2017 | 217 |
| 2018 | 200 |
| 2019 | 194 |
| 2020 | 901 |
| 2021 | 175 |
| 2022 | 345 |
| 2023 | 195 |
| 2024 | 192 |
| 2025 | 107 |