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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1955 | 1 |
| 1956 | 1 |
| 1957 | 3 |
| 1958 | 2 |
| 1962 | 1 |
| 1967 | 3 |
| 1968 | 6 |
| 1969 | 2 |
| 1970 | 6 |
| 1971 | 81 |
| 1972 | 216 |
| 1973 | 221 |
| 1974 | 239 |
| 1975 | 196 |
| 1976 | 183 |
| 1977 | 163 |
| 1978 | 130 |
| 1979 | 159 |
| 1980 | 109 |
| 1981 | 107 |
| 1982 | 111 |
| 1983 | 118 |
| 1984 | 118 |
| 1985 | 101 |
| 1986 | 97 |
| 1987 | 106 |
| 1988 | 105 |
| 1989 | 101 |
| 1990 | 131 |
| 1991 | 136 |
| 1992 | 137 |
| 1993 | 157 |
| 1994 | 130 |
| 1995 | 137 |
| 1996 | 137 |
| 1997 | 122 |
| 1998 | 145 |
| 1999 | 144 |
| 2000 | 149 |
| 2001 | 152 |
| 2002 | 154 |
| 2003 | 155 |
| 2004 | 156 |
| 2005 | 166 |
| 2006 | 161 |
| 2007 | 175 |
| 2008 | 157 |
| 2009 | 194 |
| 2010 | 178 |
| 2011 | 242 |
| 2012 | 235 |
| 2013 | 218 |
| 2014 | 235 |
| 2015 | 211 |
| 2016 | 250 |
| 2017 | 265 |
| 2018 | 251 |
| 2019 | 262 |
| 2020 | 290 |
| 2021 | 223 |
| 2022 | 228 |
| 2023 | 211 |
| 2024 | 60 |