Table:
text: Los Angeles Aztecs
Year-by-year
Year-by-year
Year_ Division League Reg_Season Playoffs Open_Cup
1980–81 N/A NASL Indoor 1st, Western 1st Round N/A
1981 1 NASL 2nd, Western 1st Round Did not enter

text: Los Angeles Aztecs
Year-by-year
Year-by-year
Year_ Division League Reg_Season Playoffs Open_Cup
1974 1 NASL 1st, Western Champions Did not enter
1975 N/A NASL Indoor 3rd, Region 4 Did not qualify N/A
1975 1 NASL 3rd, Western Quarterfinals Did not enter
1976 1 NASL 3rd, Pacific Southern 1st Round Did not enter
1977 1 NASL 3rd, Pacific Southern Semifinals Did not enter
1978 1 NASL 4th, National Western Did not qulaify Did not enter
1979 1 NASL 2nd, National Western Conference Semifinals Did not enter
1979–80 N/A NASL Indoor 5th, Western Did not qualify N/A
1980 1 NASL 2nd, National Western Conference Championships Did not enter

Question: What year did the Los Angeles Aztecs have a 1st round playoff game in the NASL Indoor League?