Depending on format your genome can be upwards of 100 GB. Granted they probably don't use full sequencing for analysis. They probably use just genetic variants,

Depending on format your genome can be upwards of 100 GB. Granted they probably don't use full sequencing for analysis. They probably use just genetic variants, which is about 300 MB, so would fit a single CD. I imagine a couple of floppies a year might've been cheaper in 1995 than a CD.