This data show Insurance Companies ranked by their Gross Written Premiums. What can we say about their respective market share?

Unipol Sai 18.8% Generali Italia 13.4% Allianz 9.8% Societ Cattolica 4.6% AXA Assicurazioni 4.1% 0% 2.5% 5% 7.5% 10% 12.5% 15% 17.5% 20% Unipol Sai 18.8% Generali Italia 13.4% Allianz 9.8% Societ Cattolica 4.6% AXA Assicurazioni 4.1% 0% 2.5% 5% 7.5% 10% 12.5% 15% 17.5% 20%