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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1955 | 1 |
| 1963 | 1 |
| 1969 | 1 |
| 1970 | 1 |
| 1972 | 1 |
| 1973 | 1 |
| 1974 | 2 |
| 1975 | 7 |
| 1976 | 3 |
| 1977 | 4 |
| 1978 | 1 |
| 1979 | 5 |
| 1980 | 10 |
| 1981 | 6 |
| 1982 | 4 |
| 1983 | 15 |
| 1984 | 11 |
| 1985 | 8 |
| 1986 | 22 |
| 1987 | 21 |
| 1988 | 24 |
| 1989 | 24 |
| 1990 | 38 |
| 1991 | 24 |
| 1992 | 45 |
| 1993 | 55 |
| 1994 | 52 |
| 1995 | 67 |
| 1996 | 56 |
| 1997 | 56 |
| 1998 | 61 |
| 1999 | 72 |
| 2000 | 84 |
| 2001 | 110 |
| 2002 | 147 |
| 2003 | 188 |
| 2004 | 233 |
| 2005 | 293 |
| 2006 | 291 |
| 2007 | 363 |
| 2008 | 385 |
| 2009 | 423 |
| 2010 | 505 |
| 2011 | 612 |
| 2012 | 756 |
| 2013 | 938 |
| 2014 | 1050 |
| 2015 | 1180 |
| 2016 | 1218 |
| 2017 | 1324 |
| 2018 | 1579 |
| 2019 | 1834 |
| 2020 | 2190 |
| 2021 | 2598 |
| 2022 | 2994 |
| 2023 | 362 |