According to Don Swanson of the USGS Hawaiian Volcano Observatory, "It turns out that recent research shows that for the past 2500 years, which is about as far back as we can see, Kilauea has been in a dominantly explosive period more than half of the time."
USGS: Kilauea Is An Explosive Volcano (May 19, 2018)
Kilauea volcano lava cuts off key escape route in Hawaii, man injured