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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1968 | 43 |
| 1969 | 31 |
| 1970 | 39 |
| 1971 | 55 |
| 1972 | 48 |
| 1973 | 42 |
| 1974 | 35 |
| 1975 | 44 |
| 1976 | 33 |
| 1977 | 35 |
| 1978 | 58 |
| 1979 | 45 |
| 1980 | 74 |
| 1981 | 59 |
| 1982 | 59 |
| 1983 | 52 |
| 1984 | 49 |
| 1985 | 37 |
| 1986 | 51 |
| 1987 | 38 |
| 1988 | 50 |
| 1989 | 49 |
| 1990 | 62 |
| 1991 | 52 |
| 1992 | 64 |
| 1993 | 57 |
| 1994 | 55 |
| 1995 | 46 |
| 1996 | 61 |
| 1997 | 65 |
| 1998 | 79 |
| 1999 | 90 |
| 2000 | 127 |
| 2001 | 151 |
| 2002 | 147 |
| 2003 | 167 |
| 2004 | 209 |
| 2005 | 152 |
| 2006 | 212 |
| 2007 | 194 |
| 2008 | 185 |
| 2009 | 150 |
| 2010 | 191 |
| 2011 | 177 |
| 2012 | 201 |
| 2013 | 243 |
| 2014 | 277 |
| 2015 | 231 |
| 2016 | 237 |
| 2017 | 321 |
| 2018 | 372 |
| 2019 | 299 |
| 2020 | 328 |
| 2021 | 394 |
| 2022 | 328 |
| 2023 | 276 |
| 2024 | 285 |
| 2025 | 328 |
| 2026 | 45 |