Actually, it peeked in 2008 and I wouldn't say 4% over 18 years a steady decline. In fact, it seems to be recovering from Covid to reach a new high. https://www.macrotrends.net/global-metrics/countries/WLD/wor...

Edit: Nevermind, it did reach a new record of 63% in 2022. Globalization seems to be doing fine. https://data.worldbank.org/indicator/NE.TRD.GNFS.ZS