What was the increase / (decrease) in the Depreciation from 2018 to 2019?
{"Depreciation": {"2019": 2297, "2018": 2174, "%Chg": 6}, "Amortization": {"2019": 16, "2018": 37, "%Chg": -57}, "Depreciation and amortization before depreciation of right-of-use assets": {"2019": 2313, "2018": 2211, "%Chg": 5}, "Depreciation of right-of-use assets 1": {"2019": 175, "2018": "-", "%Chg": "n/m"}, "Total depreciation and amortization": {"2019": 2488, "2018": 2211, "%Chg": 13}}
depreciation_2019 = df["Depreciation"]["2019"]
depreciation_2018 = df["Depreciation"]["2018"]
answer = depreciation_2019 - depreciation_2018