What is the total share of annual sales for the second half of the year?
{"Most recent three-year average seasonality -- ": {"First quarter": "First quarter", "Second quarter": "Second quarter", "Third quarter": "Third quarter", "Fourth quarter": "Fourth quarter"}, "Most recent three-year average seasonality -- Sequential change, sales": {"First quarter": -25, "Second quarter": 11, "Third quarter": 4, "Fourth quarter": 17}, "Most recent three-year average seasonality -- Share of annual sales": {"First quarter": 22, "Second quarter": 24, "Third quarter": 25, "Fourth quarter": 29}}
most_recent_threeyear_average_seasonality_share_of_annual_sales_third_quarter = df["Most recent three-year average seasonality -- Share of annual sales"]["Third quarter"]
most_recent_threeyear_average_seasonality_share_of_annual_sales_fourth_quarter = df["Most recent three-year average seasonality -- Share of annual sales"]["Fourth quarter"]
answer = most_recent_threeyear_average_seasonality_share_of_annual_sales_third_quarter + most_recent_threeyear_average_seasonality_share_of_annual_sales_fourth_quarter