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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1957 | 1 |
| 1958 | 2 |
| 1960 | 2 |
| 1961 | 2 |
| 1963 | 1 |
| 1964 | 4 |
| 1965 | 2 |
| 1971 | 1 |
| 1974 | 1 |
| 1978 | 2 |
| 1979 | 1 |
| 1984 | 1 |
| 1986 | 1 |
| 1987 | 4 |
| 1988 | 12 |
| 1989 | 140 |
| 1990 | 386 |
| 1991 | 442 |
| 1992 | 519 |
| 1993 | 684 |
| 1994 | 870 |
| 1995 | 921 |
| 1996 | 1020 |
| 1997 | 1117 |
| 1998 | 1149 |
| 1999 | 1239 |
| 2000 | 1286 |
| 2001 | 1222 |
| 2002 | 1391 |
| 2003 | 1433 |
| 2004 | 1424 |
| 2005 | 1661 |
| 2006 | 1767 |
| 2007 | 1862 |
| 2008 | 2025 |
| 2009 | 2089 |
| 2010 | 2307 |
| 2011 | 2325 |
| 2012 | 2494 |
| 2013 | 2705 |
| 2014 | 2645 |
| 2015 | 2565 |
| 2016 | 2447 |
| 2017 | 2297 |
| 2018 | 1977 |
| 2019 | 1697 |
| 2020 | 1405 |
| 2021 | 959 |
| 2022 | 511 |
| 2023 | 335 |
| 2024 | 144 |