我只能找到这几年的数据，中间的数据找不到，能用eviews平滑出来吗？
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	service	chanye
1993	11.1	311.5
1994
1995
1996
1997	57.8	459.2
1998
1999
2000	108	1689.9
2001
2002
2003
2004	264.1	4572.1
2005
2006
2007	693.3	2332.8