Extended Data Fig. 1: Multi-year ENSO cases in proxies.
From: Increased frequency of multi-year El Niño–Southern Oscillation events across the Holocene

Same as Fig. 2, but for the occurrence (number per 100 years) of (a)–(c) multi-year and (d)–(f) single year El Nino + La Nina, El Nino and La Nina.