Last week saw a wealth of numbers worth putting away in your filofax. Borrowing a format from Harper's, an American literary magazine, here they are:


20: The percentage by which the government expects industrial output in Russia to fall this year.


50: The percentage by which the Centrist Civic Union bloc estimates that production will fall this year.


8, 000: The opening price of a voucher, in rubles, in trading Friday on the Russian Commodities and Materials Exchange.


7, 100: The closing price of the voucher.


10, 000: The face value of a voucher.


1, 146: The number of vouchers that traded hands, all week.


30, 000: The number of British Coal workers who will lose their jobs with the shutdown of 31 pits.


15, 000: The number of workers in British support industries that will lose their job as a result.


800: The percentage increase in Ukranian inflation in the first six months of 1992 compared with the same period in 1991.


32 billion: The amount, in dollars, that the Bank of France and the Bundesbank said they spent to defend the French franc in last month's currency crisis.


24 billion: The total amount of aid, in dollars, promised to Russia by the 12 largest industrialized democracies -- most of which has not been dispensed yet.


2. 8 billion: the size of the third-quarter loss, in dollars, reported by IBM.


2. 8 billion: The planned size of the Russian government budget deficit, in dollars at current exchange rates, which will probably be about 10 percent higher than projected for the entire year.


In other news last week, Carlson Hospitality, parent company of Radisson, announced it had created a joint venture with Mosintour to run all the hotels in Moscow not covered by contracts with other foreign managers. The deal involves about 9, 000 beds.


Visa International opened what it called Moscow's first automatic teller machine. The machine is in the lobby of the Metropol Hotel and will dispense dollars to card holders authorized to receive cash advances.


The makers of Danone yogurt, BSI, said they planned to open a factory in Moscow in the next two years to produce their product locally.


The Moscow government has signed a resolution to lease 14. 7 hectares in the city's center to a Russian company called City. The resolution is the first step toward the signing of a lease and a contract for City to manage an entire 110-hectare plot adjacent to the Moscow Expocenter.