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Summary of the estimate of memory space occupied by the information worldwide, stored in various storage media, in the year $2000$

In the above graph, for any media of information  storage, the figures in the brackets denote the amount of memory space occupied by the information stored worldwide in that media of information storage. For example, the memory space occupied by the information contained in Music CDs worldwide is $55$ TB.

Note:

  1. $1$ Tera Byte (TB) of memory space $=10^{12}$ Bytes of memory space.
  2. All storage media are classified into four categories  – Optical, Paper, Film and Magnetic

When compared to the total memory space occupied by the information stored in any single category of storage media, what is the highest percentage share of memory space occupied by the information stored in any single media within that category(approximately)?

  1. $68.75\%$
  2. $62.5\%$
  3. $96\%$
  4. $98.3\%$
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