A fresh datapoint has emerged showing just how red-hot America’s housing market has been as the pandemic’s work-from-home revolution sent people on a buying spree that collided with slim supply to send the value of the U.S. housing stock soaring. The total value of homes in the United States surged by $6.9 trillion in 2021, according to a Jan. 27 analysis by Zillow, easily topping any prior year on record. “Even in the context of a year in which several housing records were topped, the scale of the housing market’s growth in 2021 is eye-popping,” Zillow senior economist Jeff Tucker said in a statement. Besides home prices bursting to record highs in 2021, sales of previously-owned homes—which account for around 90 percent of all residential home sales in the United States—totaled 6.12 million that year, according to the National Association of Realtors (NAR). Last year’s buying frenzy sent the inventory of …