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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1947 | 1 |
| 1975 | 1 |
| 1977 | 4 |
| 1978 | 3 |
| 1979 | 3 |
| 1980 | 5 |
| 1981 | 4 |
| 1982 | 13 |
| 1983 | 8 |
| 1984 | 13 |
| 1985 | 18 |
| 1986 | 13 |
| 1987 | 9 |
| 1988 | 54 |
| 1989 | 74 |
| 1990 | 166 |
| 1991 | 293 |
| 1992 | 311 |
| 1993 | 338 |
| 1994 | 288 |
| 1995 | 238 |
| 1996 | 213 |
| 1997 | 258 |
| 1998 | 310 |
| 1999 | 361 |
| 2000 | 285 |
| 2001 | 313 |
| 2002 | 325 |
| 2003 | 331 |
| 2004 | 320 |
| 2005 | 314 |
| 2006 | 341 |
| 2007 | 383 |
| 2008 | 406 |
| 2009 | 410 |
| 2010 | 524 |
| 2011 | 544 |
| 2012 | 746 |
| 2013 | 831 |
| 2014 | 821 |
| 2015 | 792 |
| 2016 | 720 |
| 2017 | 764 |
| 2018 | 762 |
| 2019 | 832 |
| 2020 | 655 |
| 2021 | 290 |
| 2022 | 43 |
| 2023 | 67 |
| 2024 | 638 |
| 2025 | 841 |
| 2026 | 23 |