This means that the other 99.1 percent are making a living in the spiffy secondary and tertiary industries.
"Down-with-the-Cities"
Nakashima, Tadashi
Even the married men in our regiment are gettin so "spiffy" that I believe they'll have sand enough to talk back to friend wif when they get back home.
"Love Letters of a Rookie to Julie"
Barney Stone
That was a perfectly spiffy evening dress she had on, what there was of it.
"Torchy and Vee"
Sewell Ford