What was the change in the consumer revenue from 2018 to 2019?
{"Consumer": {"2019": 91056.0, "2018": 89762.0, "2019 vs. 2018": 1294.0, "": 1.4}, "Business ": {"2019": 31443.0, "2018": 31534.0, "2019 vs. 2018": -91.0, "": -0.3}, "Corporate and other ": {"2019": 9812.0, "2018": 9936.0, "2019 vs. 2018": -124.0, "": -1.2}, "Eliminations ": {"2019": -443.0, "2018": -369.0, "2019 vs. 2018": -74.0, "": 20.1}, "Consolidated Revenues": {"2019": 131868.0, "2018": 130863.0, "2019 vs. 2018": 1005.0, "": 0.8}}
consumer_2019 = df["Consumer"]["2019"]
consumer_2018 = df["Consumer"]["2018"]
answer = consumer_2019 - consumer_2018