What is the percentage constitution of total inventory purchase commitments among the total contractual obligations?
{"": {"Total ": "", "Less than One Year": "", "1-3 Years": "(In thousands)", "4-5 Years": "", "Thereafter": ""}, "Inventory purchase commitments": {"Total ": 53413, "Less than One Year": 53413, "1-3 Years": "$\u2014", "4-5 Years": "$\u2014", "Thereafter": "$\u2014"}, "Indebtedness": {"Total ": 406644, "Less than One Year": 2993, "1-3 Years": 244151, "4-5 Years": 159500, "Thereafter": "$\u2014"}, "Finance lease obligations ": {"Total ": 4597, "Less than One Year": 880, "1-3 Years": 1715, "4-5 Years": 1392, "Thereafter": 610}, "Pension exit liabilities ": {"Total ": 2169, "Less than One Year": 149, "1-3 Years": 329, "4-5 Years": 375, "Thereafter": 1316}, "Long-term operating leases ": {"Total ": 197359, "Less than One Year": 25662, "1-3 Years": 43130, "4-5 Years": 30080, "Thereafter": 98487}, "Total ": {"Total ": 664182, "Less than One Year": 83097, "1-3 Years": 289325, "4-5 Years": 191347, "Thereafter": 100413}}
inventory_purchase_commitments = df["Inventory purchase commitments"]["Total "]
total_contractual_obligations = df["Total "]["Total "]
answer = inventory_purchase_commitments / total_contractual_obligations * 100.0