Expliquem-me, por favor

U.S. service industries contracted in November at the fastest pace on record, sinking the economy deeper into what may become the worst recession in decades.

The Institute for Supply Management’s index of non- manufacturing businesses, which make up almost 90 percent of the economy, fell to 37.3, the lowest level since records began in 1997, from 44.4 the prior month, the Tempe, Arizona-based ISM said. Readings below 50 signal contraction.

in Bloomberg

Deixem lá ver se percebi bem.
Premissa: O Sector não-manufactureiro teve a maior queda desde 1997 (há 11 anos atrás).
Conclusão: Vamos ter a pior recessão em décadas.