They were index-linked to the Galactic stock market prices, you see. So that we'd all be revived when everybody else had rebuilt the economy enough to be able to afford our rather expensive services.
12 seconds sound clip from The Hitchhiker's Guide to the Galaxy (1981) - Episode 3 sitcom.
You can hear this line at 00:24:06.470 in the Blu-ray version of the TV Series.
Quote context
[...]
- Dead? No, we have but slept, for five million years. Nothing much seems to have changed.
- Slept?
- Yes, through the economic recession.
- Well, you see, five million years ago, the Galactic economy collapsed.
- Seeing that custom-built planets is something of a luxury commodity.
- You know we built planets, do you?
- Well, I sort of gathered that.
- Isn't that rather unethical behaviour?
- Oh, is it? I'm afraid I'm a bit out of touch.
- Well, if you call it a robot. It's more like an electronic sulking machine.
- On second thought, leave it here.
- 'Bring it, leave it'... I think I 'll turn myself off.
[...]