| 年份 | 程控交换机产量(万线) |
|---|---|
| 1978 | - |
| 1979 | - |
| 1980 | - |
| 1981 | - |
| 1982 | - |
| 1983 | - |
| 1984 | - |
| 1985 | - |
| 1986 | - |
| 1987 | - |
| 1988 | - |
| 1989 | - |
| 1990 | - |
| 1991 | - |
| 1992 | - |
| 1993 | - |
| 1994 | - |
| 1995 | - |
| 1996 | - |
| 1997 | - |
| 1998 | 4219.90 |
| 1999 | 4726.00 |
| 2000 | 7136.00 |
| 2001 | 7223.50 |
| 2002 | 5860.65 |
| 2003 | 7379.93 |
| 2004 | 7625.20 |
| 2005 | 7720.90 |
| 2006 | 7404.63 |
| 2007 | 5387.05 |
| 2008 | 4583.95 |
| 2009 | 4152.50 |
| 2010 | 3137.97 |
| 2011 | 3034.04 |
| 2012 | 2829.08 |
| 2013 | 2698.53 |
| 2014 | 2148.15 |
| 2015 | 1880.30 |
| 2016 | 1457.69 |
| 2017 | 937.86 |
| 2018 | 1036.65 |
| 2019 | 790.46 |
| 2020 | 702.55 |
| 2021 | 699.60 |
| 2022 | 883.80 |
| 2023 | 507.00 |
| 2024 | - |