Complex sentence: A routine with all required elements was automatically given a base SV (9.4 in 1996; 9.0 in 1997; 8.8 in 2001); it was up to the gymnast to increase the SV to 10.0 by performing difficult skills and combinations.
Split into simpler sentences: A routine with all required elements was automatically given a base SV (9.4 in 1996; 9.0 in 1997; 8.8 in 2001). Iit was up to the gymnast to increase the SV to 10.0 by performing difficult skills and combinations.