[R] simple question with table()

[Simone Gabbriellini]

Dear List,

my problem should be easy to fix, but I couldn't find a solution by  
myself...

In my survey, there is a question with 14 possible answers. None of  
the respondents choose the 13th answer, so when I table() the results,  
R says:

1	2	3	4	5	6	7	8	9	10	11	12	14
31	52	7	21	40	7	8	2	28	2	2	1	17

13 is missing... anyone knows how to tell table() that there are 14  
modalities in the answers? I tried with

responseName 
=c("1","2","3","4","5","6","7","8","9","10","11","12","13","14")

but all I have is:

error in table....
all the arguments must have the same length

thank you,
Simone