{"cols":[{"label":"Year","type":"string"},{"label":"Non-Voting Class B preferred stock, stated value $1 per share","type":"number"}],"rows":[{"c":[{"v":"2020","f":null},{"v":0,"f":"0.00%"}]},{"c":[{"v":"2021","f":null},{"v":0,"f":"0.00%"}]},{"c":[{"v":"2022","f":null},{"v":0,"f":"0.00%"}]},{"c":[{"v":"2023","f":null},{"v":0,"f":"0.00%"}]},{"c":[{"v":"2024","f":null},{"v":0,"f":"0.00%"}]},{"c":[{"v":"2025","f":null},{"v":0,"f":"0.00%"}]}]}